1. Schneider, F.B.: Replication management using the state machine approach. In: Distributed systems, 2nd edn., pp. 169–197. Addison-Wesley, Reading (1993)
2. Budhiraja, N., Marzullo, K., Schneider, F.B., Toueg, S.: The primary-backup approach. In: Mullender, S. (ed.) Distributed systems, pp. 199–216. Addison-Wesley, Reading (1993)
3. Hvasshovd, S.-O., et al.: The ClustRa telecom database: High availability, high throughput, and real-time response. In: Proc. of VLDB (1995)
4. Härder, T., Reuter, A.: Principles of transaction-oriented database recovery. ACM Comput. Surv. 15(4), 287–317 (1983)
5. Gray, J.: Notes on data base operating systems. In: Operating Systems, An Advanced Course, pp. 393–481. Springer, London (1978)